def main(): parser = argparse.ArgumentParser() parser.add_argument('trace_fpath', help='The trace to learn topics from', \ type=str) parser.add_argument('num_topics', help='The number of topics to learn', \ type=int) parser.add_argument('model_fpath', \ help='The name of the model file (a h5 file)', type=str) parser.add_argument('--leaveout', \ help='The number of transitions to leave for test', type=float, \ default=0.3) args = parser.parse_args() started = time.mktime(time.localtime()) num_lines = 0 with open(args.trace_fpath) as trace_file: num_lines = sum(1 for _ in trace_file) if args.leaveout > 0: leave_out = min(1, args.leaveout) if leave_out == 1: print('Leave out is 1 (100%), nothing todo') return from_ = 0 to = int(num_lines - num_lines * leave_out) else: from_ = 0 to = np.inf max_cost = float('-inf') best_model = None for rate in [0.0001, 0.001, 0.01]: for reg in [0.00001, 0.0001, 0.001, 0.01]: for alpha in [0.25, 0.5, 0.75]: for tau in [0, 60 * 60, 12 * 60 * 60, 24 * 60 * 60]: rv = learn(args.trace_fpath, args.num_topics, rate, \ reg, alpha, tau, from_, to) cost_val = rv['cost_val'][0] if cost_val > max_cost: max_cost = cost_val best_model = rv print(max_cost) ended = time.mktime(time.localtime()) best_model['training_time'] = np.array([ended - started]) dataio.save_model(args.model_fpath, best_model) print('Learning took', ended - started, 'seconds')
def main(): parser = argparse.ArgumentParser() parser.add_argument('trace_fpath', help='The trace to learn topics from', \ type=str) parser.add_argument('num_topics', help='The number of topics to learn', \ type=int) parser.add_argument('model_fpath', \ help='The name of the model file (a h5 file)', type=str) parser.add_argument('--leaveout', \ help='The number of transitions to leave for test', type=float, \ default=0) parser.add_argument('--learning_rate', \ help='The learning rate for the algorithm', \ type=float, default=0.005) parser.add_argument('--regularization', help='The regularization', \ type=float, default=0.03) parser.add_argument('--alpha', help='Value for the alpha parameter', \ type=float, default=0.02) parser.add_argument('--tau', help='Value for the tau parameter', \ type=float, default=3 * 60 * 60) args = parser.parse_args() started = time.mktime(time.localtime()) num_lines = 0 with open(args.trace_fpath) as trace_file: num_lines = sum(1 for _ in trace_file) if args.leaveout > 0: leave_out = min(1, args.leaveout) if leave_out == 1: print('Leave out is 1 (100%), nothing todo') return from_ = 0 to = int(num_lines - num_lines * leave_out) else: from_ = 0 to = np.inf print('Learning') rv = learn(args.trace_fpath, args.num_topics, args.learning_rate, \ args.regularization, args.alpha, args.tau, from_, to) ended = time.mktime(time.localtime()) rv['training_time'] = np.array([ended - started]) dataio.save_model(args.model_fpath, rv) print('Learning took', ended - started, 'seconds')